ISO/TC 146/SC 3
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 87236 | ISO 13964:1998/Amd 1:2024 | Air quality — Determination of ozone in ambient air — Ultraviolet photometric method — Amendment 1: Consensus value for the ozone absorption cross-section at room temperature at the mercury-line wavelength (253,65 nm air) | Standarts spēkā |
| 32943 | ISO 10473:2000 | Ambient air — Measurement of the mass of particulate matter on a filter medium — Beta-ray absorption method | Standarts spēkā |
| 75577 | ISO 10312:2019 | Ambient air — Determination of asbestos fibres — Direct transfer transmission electron microscopy method | Standarts spēkā |
| 75576 | ISO 13794:2019 | Ambient air — Determination of asbestos fibres — Indirect-transfer transmission electron microscopy method | Standarts spēkā |
| 75583 | ISO 14966:2019 | Ambient air — Determination of numerical concentration of inorganic fibrous particles — Scanning electron microscopy method | Standarts spēkā |
| 87842 | ISO 22262-2:2026 | Air quality — Bulk materials — Part 2: Quantitative determination of asbestos by gravimetric and microscopical methods | Standarts spēkā |
| 26111 | ISO 14965:2000 | Air quality — Determination of total non-methane organic compounds — Cryogenic preconcentration and direct flame ionization detection method | Standarts spēkā |
| 10015 | ISO 4221:1980 | Air quality — Determination of mass concentration of sulphur dioxide in ambient air — Thorin spectrophotometric method | Standarts spēkā |
| 17715 | ISO 9835:1993 | Ambient air — Determination of a black smoke index | Standarts spēkā |
| 10014 | ISO 4220:1983 | Ambient air — Determination of a gaseous acid air pollution index — Titrimetric method with indicator or potentiometric end-point detection | Standarts spēkā |
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